Are the days of custom roms ending? Using android 13 on my S6 edge as a secondary phone and it runs great with Google services etc, still smooth for a month now. :
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ROM][KERNEL][MM][G928C/F/G/I/T][BPL7][6.0.1]AUDAX PLUS M v13.0[10/01/17] | XDA Forums
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ROM][R][Unofficial] DotOS v5.1.3 for Samsung Galaxy S6/Edge | XDA Forums